diff options
Diffstat (limited to 'data/lighttpd/lighttpd-1.4.53/src/fdevent_solaris_port.c')
| -rw-r--r-- | data/lighttpd/lighttpd-1.4.53/src/fdevent_solaris_port.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/data/lighttpd/lighttpd-1.4.53/src/fdevent_solaris_port.c b/data/lighttpd/lighttpd-1.4.53/src/fdevent_solaris_port.c new file mode 100644 index 000000000..ddfbb51b2 --- /dev/null +++ b/data/lighttpd/lighttpd-1.4.53/src/fdevent_solaris_port.c @@ -0,0 +1,175 @@ +#include "first.h" + +#include "fdevent_impl.h" +#include "fdevent.h" +#include "buffer.h" +#include "log.h" + +#include <sys/types.h> + +#include <unistd.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <fcntl.h> + +#ifdef FDEVENT_USE_SOLARIS_PORT + +#include <sys/poll.h> +static const int SOLARIS_PORT_POLL_READ = POLLIN; +static const int SOLARIS_PORT_POLL_WRITE = POLLOUT; +static const int SOLARIS_PORT_POLL_READ_WRITE = POLLIN & POLLOUT; + +static int fdevent_solaris_port_event_del(fdevents *ev, int fde_ndx, int fd) { + if (fde_ndx < 0) return -1; + + if (0 != port_dissociate(ev->port_fd, PORT_SOURCE_FD, fd)) { + log_error_write(ev->srv, __FILE__, __LINE__, "SSS", + "port_dissociate failed: ", strerror(errno), ", dying"); + + SEGFAULT(); + + return 0; + } + + return -1; +} + +static int fdevent_solaris_port_event_set(fdevents *ev, int fde_ndx, int fd, int events) { + const int* user_data = NULL; + + if ((events & FDEVENT_IN) && (events & FDEVENT_OUT)) { + user_data = &SOLARIS_PORT_POLL_READ_WRITE; + } else if (events & FDEVENT_IN) { + user_data = &SOLARIS_PORT_POLL_READ; + } else if (events & FDEVENT_OUT) { + user_data = &SOLARIS_PORT_POLL_WRITE; + } + + if (0 != port_associate(ev->port_fd, PORT_SOURCE_FD, fd, *user_data, (void*) user_data)) { + log_error_write(ev->srv, __FILE__, __LINE__, "SSS", + "port_associate failed: ", strerror(errno), ", dying"); + + SEGFAULT(); + + return 0; + } + + return fd; +} + +static int fdevent_solaris_port_event_get_revent(fdevents *ev, size_t ndx) { + int events = 0, e; + + e = ev->port_events[ndx].portev_events; + if (e & POLLIN) events |= FDEVENT_IN; + if (e & POLLOUT) events |= FDEVENT_OUT; + if (e & POLLERR) events |= FDEVENT_ERR; + if (e & POLLHUP) events |= FDEVENT_HUP; + if (e & POLLPRI) events |= FDEVENT_PRI; + if (e & POLLNVAL) events |= FDEVENT_NVAL; + + return e; +} + +static int fdevent_solaris_port_event_get_fd(fdevents *ev, size_t ndx) { + return ev->port_events[ndx].portev_object; +} + +static int fdevent_solaris_port_event_next_fdndx(fdevents *ev, int ndx) { + size_t i; + + UNUSED(ev); + + i = (ndx < 0) ? 0 : ndx + 1; + + return i; +} + +static void fdevent_solaris_port_free(fdevents *ev) { + close(ev->port_fd); + free(ev->port_events); +} + +/* if there is any error it will return the return values of port_getn, otherwise it will return number of events **/ +static int fdevent_solaris_port_poll(fdevents *ev, int timeout_ms) { + int i = 0; + int ret; + unsigned int available_events, wait_for_events = 0; + const int *user_data; + + struct timespec timeout; + + timeout.tv_sec = timeout_ms/1000L; + timeout.tv_nsec = (timeout_ms % 1000L) * 1000000L; + + /* get the number of file descriptors with events */ + if ((ret = port_getn(ev->port_fd, ev->port_events, 0, &wait_for_events, &timeout)) < 0) return ret; + + /* wait for at least one event */ + if (0 == wait_for_events) wait_for_events = 1; + + available_events = wait_for_events; + + /* get the events of the file descriptors */ + if ((ret = port_getn(ev->port_fd, ev->port_events, ev->maxfds, &available_events, &timeout)) < 0) { + /* if errno == ETIME and available_event == wait_for_events we didn't get any events */ + /* for other errors we didn't get any events either */ + if (!(errno == ETIME && wait_for_events != available_events)) return ret; + } + + for (i = 0; i < available_events; ++i) { + user_data = (const int *) ev->port_events[i].portev_user; + + if ((ret = port_associate(ev->port_fd, PORT_SOURCE_FD, ev->port_events[i].portev_object, + *user_data, (void*) user_data)) < 0) { + log_error_write(ev->srv, __FILE__, __LINE__, "SSS", + "port_associate failed: ", strerror(errno), ", dying"); + + SEGFAULT(); + + return 0; + } + } + + return available_events; +} + +int fdevent_solaris_port_init(fdevents *ev) { + ev->type = FDEVENT_HANDLER_SOLARIS_PORT; +#define SET(x) \ + ev->x = fdevent_solaris_port_##x; + + SET(free); + SET(poll); + + SET(event_del); + SET(event_set); + + SET(event_next_fdndx); + SET(event_get_fd); + SET(event_get_revent); + + if ((ev->port_fd = port_create()) < 0) { + log_error_write(ev->srv, __FILE__, __LINE__, "SSS", + "port_create() failed (", strerror(errno), "), try to set server.event-handler = \"poll\" or \"select\""); + + return -1; + } + + ev->port_events = malloc(ev->maxfds * sizeof(*ev->port_events)); + force_assert(NULL != ev->port_events); + + return 0; +} + +#else +int fdevent_solaris_port_init(fdevents *ev) { + UNUSED(ev); + + log_error_write(ev->srv, __FILE__, __LINE__, "S", + "solaris-eventports not supported, try to set server.event-handler = \"poll\" or \"select\""); + + return -1; +} +#endif |